Microsoft, NASA, and SpaceX are all collaborating on Project Sidekick, which will see HoloLens headsets delivered to the International Space Station's astronauts. Don't play too much Halo, space cadets!

Dropbox's design chief arrived at the online storage company with his stylish and popular email service, Mailbox. Now, as Dropbox evolves, he's helping it design a way into every facet of our digital lives.